
 (
 	function(){

 		 var Tools = {
 	
 		getRandom:function (min,max){
 		//Math.random()生成的随机数在0到1之间的;
   		//return Math.random();
   		return  Math.floor(Math.random() * (max - min + 1) ) + min
 	
   			}

 		}

 		window.Tools = Tools;

 	})()